ISHIHASHI SEIKO 螺旋龍頭（UNC）SKH 編號 12 -24 ST-UNC 編號 12 ST-UNCNO.12

Feature

• Unified screw.
• Suitable for tapping machine.
• It is used for a stop hole and the chips curl upward.
• The IS spiral tap has a unique design for the twist angle, groove shape, cut and run angle (chamfer), etc. The cutting torque is especially light (about 1/2 of the hand tap), and the screws are treated homogeneously to enhance the abrasion resistance, so the durability is excellent.
• Regular thread.

Specifications

• Material: SKH
• Square Length (mm): 7
• Drill Diameter (mm): 4.5
• Applications: For Blind Holes
• Precision: H2
• Total length (mm): 60
• Shank diameter (mm): 5.5
• Threads per inch: 24
• Screw length (mm): 22
• Shank Square (mm): 4.5